实地调查是在周详严密的架构之下，由调查人员直接向被访问者搜集第一手资料的相互来往过程。第一手资料又称为初级资料，系指首次搜集到的资料。
n. field survey
misc. field investigation
The thesis is completed through the field research of a rural community in Hubei Province, Middle China.
本文是根据对中国中部，鄂豫交界的湖北省S市的一个乡村社区的实地调查研究写成的。
参考来源 - 民间借贷与差序格局According to the evolutive theory of saline and combined with field survey data, the authors (discuss) the theoretical model of recording the past climatic change of Lop Nur saline.
根据盐湖演化理论,结合实地调查数据,探讨了罗布泊盐湖记录过去气候变化的理论模型。
参考来源 - 罗布泊盐湖近2000a气候变化的高分辨率遥感研究·2,447,543篇论文数据，部分数据来源于NoteExpress
我也在男生中进行了一项有关他们对人际关系态度的实地调查。
I also conducted a field study among the boys about their attitude to relationships.
阿米·卡兰和她的同事们通过多年的深入实地调查证明，人类的出现已经侵害了黑猩猩行为的多样性。
Ammie Kalan and her colleagues have shown, through years of intensive fieldwork, that the very presence of humans has eroded the diversity of chimp behavior.
我们的系主任告诉我，如果除了每门课的指定作业之外，我能够做独立的实地调查，那么完成这些调查就可以算作上了中级水平的课程。
My chairperson told me that if I did independent field research in addition to the assigned work in each course; they would count as intermediate-level courses.
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